Here is the full list of all 12 AR-K achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Perform a speed run
Complete the first chapter
Keep talking! Be sociable!
Tell at least 3 jokes
Put on the seductive dress
Combine 100 objects incorrectly
Buy 10 cans of Skunk
Find the retro video
Read tons of descriptions
Complete the second chapter
Unlock every terminal code
Behave, Citizen!